| Date | Action |
| 11/14/2002 | License Canceled |
| 09/28/2001 | Administrative Update Applied |
| 09/27/2001 | Administrative Update Applied |
| 09/27/2001 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 05/13/1999 | License Renewed |
| 02/08/1999 | Internal Correction Applied |
| 06/27/1997 | Internal Correction Applied |
| 06/13/1997 | Internal Correction Applied |
| 06/13/1997 | Internal Correction Applied |
| 05/31/1994 | License Modified |
| 02/28/1991 | License Modified |
| 04/27/1989 | License Modified |
| 04/18/1989 | License Modified |
| 02/14/1986 | License Modified |
| 02/07/1986 | License Modified |
| 06/26/1981 | License Modified |